139541747246 has 8 divisors (see below), whose sum is σ = 228341040984. Its totient is φ = 63428066920.

The previous prime is 139541747243. The next prime is 139541747287. The reversal of 139541747246 is 642747145931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139541747243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3171403325 + ... + 3171403368.

It is an arithmetic number, because the mean of its divisors is an integer number (28542630123).

Almost surely, 2^139541747246 is an apocalyptic number.

139541747246 is a deficient number, since it is larger than the sum of its proper divisors (88799293738).

139541747246 is a wasteful number, since it uses less digits than its factorization.

139541747246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342806706.

The product of its digits is 5080320, while the sum is 53.

The spelling of 139541747246 in words is "one hundred thirty-nine billion, five hundred forty-one million, seven hundred forty-seven thousand, two hundred forty-six".